GB2288945B - Method for enlargement/reduction of image data in digital image processing system and circuit adopting the same - Google Patents

Method for enlargement/reduction of image data in digital image processing system and circuit adopting the same

Info

Publication number
GB2288945B
GB2288945B GB9508756A GB9508756A GB2288945B GB 2288945 B GB2288945 B GB 2288945B GB 9508756 A GB9508756 A GB 9508756A GB 9508756 A GB9508756 A GB 9508756A GB 2288945 B GB2288945 B GB 2288945B
Authority
GB
United Kingdom
Prior art keywords
enlargement
reduction
processing system
same
image data
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
GB9508756A
Other versions
GB9508756D0 (en
GB2288945A (en
Inventor
Hyang-Su Oh
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of GB9508756D0 publication Critical patent/GB9508756D0/en
Publication of GB2288945A publication Critical patent/GB2288945A/en
Application granted granted Critical
Publication of GB2288945B publication Critical patent/GB2288945B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
    • G06T3/4023—Scaling of whole images or parts thereof, e.g. expanding or contracting based on decimating pixels or lines of pixels; based on inserting pixels or lines of pixels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/387—Composing, repositioning or otherwise geometrically modifying originals
    • H04N1/393—Enlarging or reducing
    • H04N1/3935—Enlarging or reducing with modification of image resolution, i.e. determining the values of picture elements at new relative positions

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
  • Editing Of Facsimile Originals (AREA)
GB9508756A 1994-04-30 1995-04-28 Method for enlargement/reduction of image data in digital image processing system and circuit adopting the same Expired - Fee Related GB2288945B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940009550A KR0120570B1 (en) 1994-04-30 1994-04-30 Image data size translating method adn device

Publications (3)

Publication Number Publication Date
GB9508756D0 GB9508756D0 (en) 1995-06-14
GB2288945A GB2288945A (en) 1995-11-01
GB2288945B true GB2288945B (en) 1998-07-22

Family

ID=19382291

Family Applications (2)

Application Number Title Priority Date Filing Date
GB9508756A Expired - Fee Related GB2288945B (en) 1994-04-30 1995-04-28 Method for enlargement/reduction of image data in digital image processing system and circuit adopting the same
GB9508860A Withdrawn GB2288946A (en) 1994-04-30 1995-05-01 Image enlargement/reduction method

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB9508860A Withdrawn GB2288946A (en) 1994-04-30 1995-05-01 Image enlargement/reduction method

Country Status (5)

Country Link
JP (1) JP3694544B2 (en)
KR (1) KR0120570B1 (en)
DE (1) DE19508994B4 (en)
FR (1) FR2719404B1 (en)
GB (2) GB2288945B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5838838A (en) * 1996-07-19 1998-11-17 Hewlett-Packard Company Down-scaling technique for bi-level images
US20100054621A1 (en) * 2008-08-26 2010-03-04 Qualcomm Incorporated Dual lookup table design for edge-directed image scaling
JP7316130B2 (en) * 2019-07-16 2023-07-27 キヤノン株式会社 IMAGE PROCESSING APPARATUS, CONTROL METHOD FOR IMAGE PROCESSING APPARATUS, AND PROGRAM

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5329614A (en) * 1991-02-07 1994-07-12 Unisys Corporation Method and apparatus for enlarging gray scale images
US5335296A (en) * 1991-04-30 1994-08-02 Optigraphics Corporation Process for high speed rescaling of binary images

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60146369A (en) * 1983-12-30 1985-08-02 インタ−ナショナル　ビジネス　マシ−ンズ　コ−ポレ−ション Image reduction method
JPH02132963A (en) * 1988-11-14 1990-05-22 Canon Inc Picture processor
JPH02161872A (en) * 1988-12-14 1990-06-21 Fuji Xerox Co Ltd Reduction/magnification process system for picture processor
JPH0682391B2 (en) * 1989-03-15 1994-10-19 インターナショナル・ビジネス・マシーンズ・コーポレーション Device for converting N pixels to M pixels
JP3056231B2 (en) * 1989-09-12 2000-06-26 株式会社リコー Image reading device
JP2523222B2 (en) * 1989-12-08 1996-08-07 ゼロックス コーポレーション Image reduction / enlargement method and apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5329614A (en) * 1991-02-07 1994-07-12 Unisys Corporation Method and apparatus for enlarging gray scale images
US5335296A (en) * 1991-04-30 1994-08-02 Optigraphics Corporation Process for high speed rescaling of binary images

Also Published As

Publication number Publication date
GB9508756D0 (en) 1995-06-14
FR2719404B1 (en) 1997-10-31
JP3694544B2 (en) 2005-09-14
DE19508994B4 (en) 2007-05-03
JPH07302331A (en) 1995-11-14
GB2288946A (en) 1995-11-01
KR0120570B1 (en) 1997-10-29
GB9508860D0 (en) 1995-06-21
FR2719404A1 (en) 1995-11-03
GB2288945A (en) 1995-11-01
KR950029980A (en) 1995-11-24
DE19508994A1 (en) 1995-11-02

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20080428